MSTest：同一 TestClass 内测试的执行顺序

发布于 2024-11-15 02:04:43 字数 460 浏览 4 评论 0原文

使用 MSTest 执行测试时，我需要强制执行 TestClass 顺序。

每个类中的 TestClasses 和测试的顺序可以是随机的，但 MSTest 在执行完 ClassInitialize 之前不应从另一个 TestClass 中选择测试、类中的所有测试以及 ClassCleanup。

我有全局 AssemblyInitialize 和 AssemblyCleanup，因此以下代码不起作用，因为它会为每个测试初始化程序集：


MSTest.exe /testcontainer:MyUnitTests.dll /resultsfile:report.trx /test:TestClass1 /test:TestClass2

原文

I need to enforce TestClass order when executing tests with MSTest.

The order of TestClasses and tests within each class can be random, but MSTest should not pick a test from another TestClass until it is done executing ClassInitialize, all tests in the class, and ClassCleanup.

I have global AssemblyInitialize and AssemblyCleanup, therefore the following does not work, because it initializes the assembly for each test:


MSTest.exe /testcontainer:MyUnitTests.dll /resultsfile:report.trx /test:TestClass1 /test:TestClass2

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一抹微笑 2024-11-22 02:04:43

我问了一个类似的问题这里，尽管这与测试类执行顺序无关。如果排序的原因是为了可以设置/维护某种状态，那么对测试进行排序可能会导致它们变得脆弱。如果您的测试就是这种情况，我建议您以与顺序无关的方式编写它们。

关于程序集级代码的问题，AssemblyInitialize 和 AssemblyCleanup 的解决方法如下：

private int InitCount;

[AssemblyInitialize]
public static void Setup(TestContext context)
{
     if (InitCount++ == 0) {
         //Do Something
     }
}

[AssemblyCleanup]
public static void Teardown()
{
      if (--InitCount == 0) {
          //Do something
      }
}

基本上，您可以强制触发程序集级方法只有一次。

I asked a similar question here, though it was not about test class execution order. Ordering tests can cause them to be brittle if the reason for the ordering is so that some sort of state can be setup/maintained. If this is the case with your tests, I would suggest instead writing them in a way that would be order-agnostic.

As regards your problem with the assembly-level code, a work around for the AssemblyInitialize and AssemblyCleanup can be as follows:

private int InitCount;

[AssemblyInitialize]
public static void Setup(TestContext context)
{
     if (InitCount++ == 0) {
         //Do Something
     }
}

[AssemblyCleanup]
public static void Teardown()
{
      if (--InitCount == 0) {
          //Do something
      }
}

Basically, you can force the assembly-level methods to fire only once.

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